我很快会做一个项目,其中需要使用全屏模式。
它将在窗口中绘制一些图形。如果我使用JFrame或类似的东西会比较方便。
我不知道屏幕的最终分辨率是多少。请告诉我图形是否会自动重新调整大小?
JFrame jf = new JFrame();
jf.setSize(1650,1080);
//make it fullscreen;
//now is everything is going to be rescaled so it looks like the original?
我很快会做一个项目,其中需要使用全屏模式。
它将在窗口中绘制一些图形。如果我使用JFrame或类似的东西会比较方便。
我不知道屏幕的最终分辨率是多少。请告诉我图形是否会自动重新调整大小?
JFrame jf = new JFrame();
jf.setSize(1650,1080);
//make it fullscreen;
//now is everything is going to be rescaled so it looks like the original?
添加:
frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
frame.setUndecorated(true);
frame.setVisible(true);
如果您想将您的框架置于全屏模式(如电影在全屏中),请查看这些答案。
类java.awt.GraphicsEnvironment
和java.awt.GraphicsDevice
用于将应用程序置于单个屏幕(设备)的全屏模式中。
例如:
static GraphicsDevice device = GraphicsEnvironment
.getLocalGraphicsEnvironment().getScreenDevices()[0];
public static void main(String[] args) {
final JFrame frame = new JFrame("Display Mode");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setUndecorated(true);
JButton btn1 = new JButton("Full-Screen");
btn1.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
device.setFullScreenWindow(frame);
}
});
JButton btn2 = new JButton("Normal");
btn2.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
device.setFullScreenWindow(null);
}
});
JPanel panel = new JPanel(new FlowLayout(FlowLayout.CENTER));
panel.add(btn1);
panel.add(btn2);
frame.add(panel);
frame.pack();
frame.setVisible(true);
}
setExtendedState(getExtendedState() | JFrame.MAXIMIZED_BOTH);
Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
setBounds(100, 100, (int) dim.getWidth(), (int) dim.getHeight());
setLocationRelativeTo(null);
if (SystemHelper.isUnix()) {
getContentPane().setPreferredSize(
Toolkit.getDefaultToolkit().getScreenSize());
pack();
setResizable(false);
show();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
Point p = new Point(0, 0);
SwingUtilities.convertPointToScreen(p, getContentPane());
Point l = getLocation();
l.x -= p.x;
l.y -= p.y;
setLocation(p);
}
});
}
Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
setBounds(100, 100, (int) dim.getWidth(), (int) dim.getHeight());
setLocationRelativeTo(null);
最简单的修复方法:
for ( Window w : Window.getWindows() ) {
GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().setFullScreenWindow( w );
}
import java.awt.event.*;
import javax.swing.*;
public class FullscreenJFrame extends JFrame {
private JPanel contentPane = new JPanel();
private JButton fullscreenButton = new JButton("Fullscreen Mode");
private boolean Am_I_In_FullScreen = false;
private int PrevX, PrevY, PrevWidth, PrevHeight;
public static void main(String[] args) {
FullscreenJFrame frame = new FullscreenJFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(600, 500);
frame.setVisible(true);
}
public FullscreenJFrame() {
super("My FullscreenJFrame");
setContentPane(contentPane);
// From Here starts the trick
FullScreenEffect effect = new FullScreenEffect();
fullscreenButton.addActionListener(effect);
contentPane.add(fullscreenButton);
fullscreenButton.setVisible(true);
}
private class FullScreenEffect implements ActionListener {
@Override
public void actionPerformed(ActionEvent arg0) {
if (Am_I_In_FullScreen == false) {
PrevX = getX();
PrevY = getY();
PrevWidth = getWidth();
PrevHeight = getHeight();
// Destroys the whole JFrame but keeps organized every Component
// Needed if you want to use Undecorated JFrame dispose() is the
// reason that this trick doesn't work with videos.
dispose();
setUndecorated(true);
setBounds(0, 0, getToolkit().getScreenSize().width,
getToolkit().getScreenSize().height);
setVisible(true);
Am_I_In_FullScreen = true;
} else {
setVisible(true);
setBounds(PrevX, PrevY, PrevWidth, PrevHeight);
dispose();
setUndecorated(false);
setVisible(true);
Am_I_In_FullScreen = false;
}
}
}
}
JFrame frame = new JFrame();
frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
当您使用MAXIMIZED_BOTH修饰符时,它将最大化窗口的所有内容(高度和宽度)。
有些人建议使用以下内容:
frame.setUndecorated(true);
首先,你需要使用的分辨率是1650,1080
。
现在添加:
frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
frame.add(component)
方法添加所有组件后,请添加以下语句。frame.pack();
JFrame frame = new JFrame();
frame.setPreferredSize(new Dimension(Toolkit.getDefaultToolkit().getScreenSize()));
这将帮助您使用对象而不是框架
frame.setExtendedState(JFrame.MAXIMIZED_BOTH);